Why not? It's part of his job as managing director of Employment Policies Institute. According to New York Times reporter Eric Tipton, EPI is the creature of Berman and Co., which runs a number of such organizations to help lobby for the restaurant industry.

The studies Saltsman cites, of course, back him up. But there are studies all over the map on the consequences of raising the minimum wage. If I had an office of people to help, I could produce a set disputing his. But I can note that while Saltsman claims a "vast majority" of "surveyed" labor economists oppose a broad $15 minimum wage, we need to know how many labor economists were surveyed to judge how seriously to take "vast majority."